@aral I found this issue Mastodon-issue "Debian package is necessary" (https://github.com/tootsuite/mastodon/issues/3576) that you contributed to,
now that my eyesight makes continued use of Funtoo/Gentoo practically impossible so I have moved to Devuan.
I was firstly quite surprised that there wasn't one already,
then also I think for widespread self-hosting of instances this is probably very important for several reasons,
but mainly that having to as now use packages from several disconnected managements systems is likely to result in instances not being properly kept up to date or compatibility issues if an admin happens to update one package-manager's components without cross-compatibility having been verified with the others... which is a major function of a proper package management system.
In my opinion, each system should normally only have ONE package manager in use, for ALL packages.